These notes cover Chapter 2 of Class IX Science (Chemistry) titled “क्या हमारे आस-पास के पदार्थ शुद्ध है” (Are the substances around us pure?). The chapter explores the concept of purity of substances and discusses various methods of separating mixtures into their pure components. It includes topics such as types of mixtures, physical and chemical changes, methods of purification, etc.
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Notes Class IX विज्ञान (रसायन विज्ञान) Chapter 2 क्या हमारे आस-पास के पदार्थ शुद्ध है
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These notes cover Chapter 2 of Class IX Science (Chemistry) titled “क्या हमारे आस-पास के पदार्थ शुद्ध है” (Are the substances around us pure?).
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